Automatic water replenishing control device of heat exchange unit

Abstract

The utility model relates to an automatic water replenishing control device of a heat exchange unit, which comprises a main pipeline, two supporting rods are connected to the inner circumferential wall of the main pipeline, a central pipe is fixedly connected between the ends of the two supporting rods, a driving rod is arranged above the main pipeline, the bottom end of the driving rod extends downwards into the central pipe, and the driving rod is connected with the main pipeline. And the driving rod is rotationally connected with the central pipe and the main pipeline. The utility model relates to the technical field of water replenishing control of heat exchange machines. When the automatic water supplementing control device of the heat exchange unit is used, the flow speed of water flow conveyed into the main pipeline by the water pump can be controlled through the first adjusting part and the second adjusting part, the water flow in the main pipeline is slowed down through the first adjusting part, and then the water flow in the main pipeline is further controlled and adjusted in cooperation with the arranged second adjusting part; and water in the main pipeline flows at different flow speeds, so that water flow in the heat exchange machine is conveniently matched, and the situation that work of the heat exchange machine is affected by too fast or too slow water flow is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of make-up water control of heat exchangers, and in particular to an automatic make-up water control device for a heat exchange unit. Background Technique

[0002] During the operation of the heat exchanger, due to reasons such as evaporation and leakage of water, the system water volume will decrease, affecting the heat exchange effect. The role of the make-up water control device is to timely supplement an appropriate amount of water when the system water volume is insufficient to maintain the stable operation of the system. Sufficient water volume can ensure the smooth progress of heat transfer, thereby improving the thermal efficiency of the heat exchanger. In addition, if the water volume inside the heat exchanger is insufficient, it will cause local overheating, which will in turn cause scaling. This will not only affect the heat exchange effect but may also damage the equipment.

[0003] In the existing technology, when making up water for the heat exchange unit, the water pump is mainly controlled by a controller to pump water and deliver it into the heat exchange unit. However, the existing make-up water control device mainly focuses on make-up water. When making up water, the pumped water will be quickly injected into the heat exchange unit. At this time, the water flow inside the heat exchange unit will accelerate. During the heat exchange process, the water flow rate is proportional to the heat transfer rate, and the suddenly accelerating water flow is likely to make the water pressure inside the heat exchange unit unstable, easily causing the heat exchange unit to malfunction. In addition, in some cases, it needs to be used at different water flow rates. At this time, make-up water will increase the water flow rate, thus affecting the operation of the heat exchanger. Content of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide an automatic make-up water control device for a heat exchange unit to solve the technical problems mentioned in the above background technique.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions:

[0006] An automatic make-up water control device for a heat exchange unit includes a main pipeline. Two support rods are connected to the inner peripheral wall of the main pipeline. A central pipe is fixedly connected between the ends of the two support rods. A driving rod is arranged above the main pipeline. The bottom end of the driving rod extends downward into the central pipe. The driving rod is rotationally connected to both the central pipe and the main pipeline. A first adjusting member is arranged at the bottom end of the driving rod. A second adjusting member is installed on the outer peripheral wall of the main pipeline. A driving motor is arranged above the main pipeline. The output end of the driving motor is connected to the driving rod, and the bottom side of the driving motor is fixedly connected to the outer peripheral wall of the main pipeline.

[0007] In a preferred example, the present utility model can be further configured as follows: The first adjusting member includes a disc, the outer peripheral wall of the disc is fixedly connected to the bottom end of the driving rod, and the outer peripheral wall of the disc is arc-shaped.

[0008] In a preferred example, the present utility model can be further configured as follows: Through holes are formed in the bottom of the side of the disc, adjusting rods are fixedly connected in the through holes, plugging balls are fixedly installed at both ends of the adjusting rods, discharge holes are formed in the central tube at the positions of the plugging balls, and two discharge tubes are connected to the outer peripheral wall of the central tube, and the two discharge tubes are respectively communicated with the corresponding discharge holes.

[0009] In a preferred example, the present utility model can be further configured as follows: The second adjusting member includes two outer plates, the two outer plates are symmetrically and fixedly installed on the outer peripheral wall of the main pipeline with the axis of the main pipeline as the reference, the two outer plates are both hollow, one side of the outer plate close to the main pipeline is communicated with the main pipeline, and an arc-shaped plate is piston-connected at the communication position between the outer plate and the main pipeline.

[0010] In a preferred example, the present utility model can be further configured as follows: Two steel wire ropes are fixedly connected to the outer peripheral wall of the disc, the end parts of the two steel wire ropes both pass through the side wall of the central tube and extend to the outside of the central tube, and the end parts of the two steel wire ropes are respectively connected to the two arc-shaped plates.

[0011] In a preferred example, the present utility model can be further configured as follows: The plugging ball is embedded in the discharge hole, and the steel wire rope is slidably connected to the central tube.

[0012] In summary, the present utility model includes at least one of the following beneficial technical effects:

[0013] 1. For this automatic water replenishment control device of a heat exchange unit, when in use, the flow rate of the water pumped into the main pipeline by the water pump can be controlled through the first adjusting member and the second adjusting member. The water flow in the main pipeline is slowed down by the first adjusting member, and then the second adjusting member is further used to control and adjust the water flow in the main pipeline, so that the water in the main pipeline flows at different flow rates, thereby facilitating the cooperation with the water flow in the heat exchanger and avoiding the influence on the operation of the heat exchanger caused by too fast or too slow water flow.

[0014] 2. For this automatic water replenishment control device of a heat exchange unit, when the central pipe is blocked, the set adjusting rod will rotate following the rotation of the disc, and at the same time, it will drive the blocking ball to rotate, so that the blocking ball disengages from the discharge hole. Thus, the water entering the central pipe will be discharged from the discharge hole into the main pipe. Additionally, the set discharge pipe is connected to the set main pipe through a sealing ring. The set adjusting rod is made of rubber or silica gel. The discharged water flow can be connected to a pipe at the outer end of the discharge pipe to convey the water to the input end of the water pump. After reducing the water at the central pipe, the water flow velocity in the main pipe will be reduced, achieving the effect of controlling the water flow velocity.

[0015] 3. For this automatic water replenishment control device of a heat exchange unit, the rotation of the driving rod is driven by the set driving motor. When the driving rod rotates, it will synchronously drive the rotation of the disc. The disc is made of rubber or silica gel. The rotation of the disc will gradually block the central pipe, thus achieving the effect of reducing the flow velocity. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of an automatic water replenishment control device of a heat exchange unit of the present invention.

[0018] Figure 2 It is a schematic diagram of the internal structure of the main pipe of an automatic water replenishment control device of a heat exchange unit of the present invention.

[0019] Figure 3 For the present invention Figure 2 Schematic cross-sectional structure diagram.

[0020] In the figure, 1, main pipe; 2, support rod; 3, central pipe; 4, driving rod; 5, first adjusting member; 6, second adjusting member; 7, driving motor; 8, disc; 9, through hole; 10, adjusting rod; 11, blocking ball; 12, discharge hole; 13, discharge pipe; 14, outer plate; 15, arc plate; 16, steel wire rope. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will further describe the present invention in detail with reference to the drawings.

[0022] Embodiment:

[0023] Referring to Figures 1 - 3, an automatic water replenishment control device for a heat exchange unit disclosed by the present utility model includes a main pipeline 1. Two support rods 2 are connected to the inner peripheral wall of the main pipeline 1. A central pipe 3 is fixedly connected between the ends of the two support rods 2. A driving rod 4 is arranged above the main pipeline 1. The bottom end of the driving rod 4 extends downward into the central pipe 3. The driving rod 4 is rotatably connected to both the central pipe 3 and the main pipeline 1. A first adjusting member 5 is arranged at the bottom end of the driving rod 4. A second adjusting member 6 is installed on the outer peripheral wall of the main pipeline 1. A driving motor 7 is arranged above the main pipeline 1. The output end of the driving motor 7 is connected to the driving rod 4. The bottom side of the driving motor 7 is fixedly connected to the outer peripheral wall of the main pipeline 1.

[0024] In this embodiment, when in use, the main pipeline 1 is connected to the output end of a water pump for pumping water. The pumped water will be conveyed out through the main pipeline 1 and the central pipe 3. The driving motor 7 arranged rotates clockwise to drive the adjustment of the first adjusting member 5, thereby blocking the central pipe 3. At the same time, the water entering the central pipe 3 will be discharged and can flow back to the pumping end of the water pump, thus achieving the effect of reducing the flow rate. Additionally, when the heat exchanger requires an even slower water flow rate, at this time, the driving motor 7 drives the driving rod 4 to rotate counterclockwise, thereby further closing on the basis of the first adjusting member 5, further reducing the water flow in the main pipeline, and then conveying the water flow to the output end of the water pump again, achieving a slower speed for conveying the water flow. Additionally, the driving motor 7 can drive the driving rod 4 to rotate counterclockwise by a certain angle. At this time, the second adjusting member 6 and the first adjusting member 5 perform a certain blocking, and at the same time, part of the water flow is conveyed to the output end of the conveying pump, thereby achieving the effect of slightly reducing the water flow rate. Ultimately, it can adjust the water flow rate in multiple gears, facilitating adaptation to the water flow rate required by the heat exchanger.

[0025] In a further preferred embodiment of the present utility model, as Figures 2 - 3 shown, the first adjusting member 5 includes a disc 8. The outer peripheral wall of the disc 8 is fixedly connected to the bottom end of the driving rod 4. The outer peripheral wall of the disc 8 is arc-shaped.

[0026] In this embodiment, by driving the rotation of the driving rod 4 through the driving motor 7 arranged, when the driving rod 4 rotates, it will synchronously drive the rotation of the disc 8. The disc 8 is made of rubber or silica gel. When the disc 8 rotates, it will gradually block the central pipe 3, thereby achieving the effect of reducing the flow rate.

[0027] In a further preferred embodiment of the present utility model, as Figures 2 - 3As shown, a through hole 9 is formed in the bottom of the side of the disc 8, and an adjusting rod 10 is fixedly connected in the through hole 9. Plugging balls 11 are fixedly installed at both ends of the adjusting rod 10. A discharge hole 12 is formed in the central pipe 3 at the position of the plugging ball 11. Two discharge pipes 13 are connected to the outer peripheral wall of the central pipe 3, and the two discharge pipes 13 are respectively communicated with the corresponding discharge holes 12.

[0028] In this embodiment, when the central pipe 3 is blocked, the provided adjusting rod 10 will rotate following the rotation of the disc 8, and at the same time, it will drive the plugging ball 11 to rotate, so that the plugging ball 11 is separated from the discharge hole 12. Thus, the water entering the central pipe 3 will be discharged from the discharge hole 12 to the main pipe 1. In addition, the provided discharge pipe 13 is connected to the provided main pipe 1 through a sealing ring. The provided adjusting rod 10 is made of rubber or silica gel. The discharged water flow can be connected to a pipe at the outer end of the discharge pipe 13 to convey the water to the input end of the water pump. After reducing the water at the central pipe 3, the water flow rate in the main pipe 1 will be reduced, achieving the effect of controlling the water flow rate.

[0029] In a further preferred embodiment of the present utility model, as Figures 2 - 3 shown, the second adjusting member 6 includes two outer plates 14. The two outer plates 14 are symmetrically and fixedly installed on the outer peripheral wall of the main pipe 1 with the axis of the main pipe 1 as the reference. The two outer plates 14 are both hollow. One side of the outer plate 14 close to the main pipe 1 is communicated with the main pipe 1. An arc-shaped plate 15 is connected to the main pipe 1 at the communication position through a piston. Two steel wire ropes 16 are fixedly connected to the outer peripheral wall of the disc 8. The ends of the two steel wire ropes 16 pass through the side wall of the central pipe 3 and extend to the outside of the central pipe 3. The ends of the two steel wire ropes 16 are respectively connected to the two arc-shaped plates 15.

[0030] In this embodiment, when the disc 8 rotates clockwise, the state of the steel wire rope 16 being straightened will gradually change to a slack state. At this time, it will not pull the arc-shaped plate 15 to move. Thus, only the provided disc 8 is used to block the central plate, achieving the effect of slowing down the water flow. When the disc 8 rotates counterclockwise, it will gradually pull the arc-shaped plate 15 to perform a piston movement in the outer plate 14. As the disc 8 continuously rotates counterclockwise, at this time, the arc-shaped plate 15 will be continuously pulled out. At this time, the water in the main pipe 1 will be blocked by the arc-shaped plate 15, and the water flow will impact the arc-shaped plate 15 and then slow down the flow rate. In addition, the provided disc 8 will gradually block the central plate, further reducing the water flow rate, thus achieving the effect of minimizing the water flow rate. When the disc 8 rotates a certain angle and stops, it will slow down the water flow speed to a certain extent. At this time, the arc-shaped plate 15 is pulled out a certain distance and also blocks, achieving the effect of reducing the water flow rate to a certain extent, thereby performing less water flow slowing work, and finally being able to achieve the effect of multi-gear adjustment of the water flow rate.

[0031] In a further preferred embodiment of the present utility model, as Figures 2 - 3 shown, the plugging ball 11 is embedded in the discharge hole 12, and the steel wire rope 16 is slidably connected to the central pipe 3.

[0032] In this embodiment, the plugging ball 11 is embedded in the discharge hole 12, and the discharge hole 12 is provided with a flared opening, so as to facilitate the separation and embedding of the plugging ball 11 from and into the discharge hole 12, thereby facilitating the discharge of water and plugging the discharge hole 12. The sliding connection of the steel wire rope 16 facilitates the movement of the arc-shaped plate 15, so as to achieve the purpose of facilitating the blocking of the water in the main pipe 1 by the movement of the arc-shaped plate 15.

[0033] The embodiments of the present specific implementation manners are all preferred embodiments of the present utility model, and do not limit the protection scope of the present utility model accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present utility model shall be covered within the protection scope of the present utility model.

Claims

1. An automatic water replenishment control device for a heat exchange unit, comprising a main pipeline (1), characterized in that: The inner peripheral wall of the main pipeline (1) is connected to two support rods (2), and a central tube (3) is fixedly connected between the ends of the two support rods (2). A driving rod (4) is arranged above the main pipeline (1), and the bottom end of the driving rod (4) extends downward into the central tube (3). The driving rod (4) is rotatably connected to the central tube (3) and the main pipeline (1). A first adjusting member (5) is arranged at the bottom end of the driving rod (4), and a second adjusting member (6) is installed on the outer peripheral wall of the main pipeline (1). A driving motor (7) is arranged above the main pipeline (1), and the output end of the driving motor (7) is connected to the driving rod (4), and the bottom side of the driving motor (7) is fixedly connected to the outer peripheral wall of the main pipeline (1).

2. The automatic water replenishment control device for a heat exchanger unit according to claim 1, characterized in that: The first adjusting member (5) comprises a disc (8), the outer peripheral wall of the disc (8) is fixedly connected to the bottom end of the driving rod (4), and the outer peripheral wall of the disc (8) is arranged in an arc shape.

3. The automatic water replenishment control device for a heat exchanger unit according to claim 2, characterized in that: A through hole (9) is provided at the bottom of the side of the disc (8), an adjusting rod (10) is fixedly connected in the through hole (9), sealing balls (11) are fixedly installed at both ends of the adjusting rod (10), a discharge hole (12) is provided in the central tube (3) at the location of the sealing ball (11), and two discharge pipes (13) are connected to the outer peripheral wall of the central tube (3), and the two discharge pipes (13) are respectively connected to the corresponding discharge holes (12).

4. The automatic water replenishment control device for a heat exchanger unit according to claim 3, characterized in that: The second adjusting member (6) comprises two outer plates (14), the two outer plates (14) being symmetrically fixedly mounted on the outer peripheral wall of the main pipeline (1) with the axis of the main pipeline (1) as a reference, the two outer plates (14) being both hollow, the side of the outer plate (14) close to the main pipeline (1) being connected to the main pipeline (1), and the piston at the connection point between the outer plate (14) and the main pipeline (1) being connected is connected to an arc plate (15).

5. The automatic water replenishment control device for a heat exchanger unit according to claim 4, characterized in that: Two steel wires (16) are fixedly connected to the outer peripheral wall of the disc (8), the ends of the two steel wires (16) pass through the side wall of the central tube (3) and extend to the outside of the central tube (3), and the ends of the two steel wires (16) are respectively connected to the two arc-shaped plates (15).

6. The automatic water replenishment control device for a heat exchanger unit according to claim 5, characterized in that: The blocking ball (11) is embedded in the discharge hole (12), and the steel wire rope (16) is slidably connected to the central pipe (3).

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